(19)
(11) EP 2 291 386 A1

(12)

(43) Date of publication:
09.03.2011 Bulletin 2011/10

(21) Application number: 08776107.8

(22) Date of filing: 30.07.2008
(51) International Patent Classification (IPC): 
C07F 9/6561(2006.01)
(86) International application number:
PCT/GB2008/002619
(87) International publication number:
WO 2009/130437 (29.10.2009 Gazette 2009/44)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 25.04.2008 IN MU09172008

(71) Applicant: Cipla Limited
Mumbai Central Mumbai 400 008 (IN)

(72) Inventors:
  • PHULL, Manjinder, Singh
    Mumbai 400078 (IN)
  • KANKAN, Rajendra, Narayanrao
    Mumbai 400 076 Maharashtra (IN)
  • RAO, Dharmaraj, Ramachandra
    Thane (W) Mumbai 400 601 Maharashtra (IN)

(74) Representative: Cottrill, Emily Elizabeth Helen 
A.A. Thornton & Co. 235 High Holborn
GB-London WC1V 7LE
GB-London WC1V 7LE (GB)

   


(54) CRYSTALLINE FORM OF TENOFOVIR DISOPROXIL AND A PROCESS FOR ITS PREPARATION